feat(compiler-vapor): support keys and nonKeys modifier for component event

Author: zhiyuanzmj

packages/compiler-vapor/__tests__/transforms/__snapshots__/transformElement.spec.ts.snap

@@ -224,6 +224,36 @@ export function render(_ctx) {
 }"
 `;
 
+exports[`compiler: element transform > component event with keys modifier 1`] = `
+"import { resolveComponent as _resolveComponent, withKeys as _withKeys, createComponentWithFallback as _createComponentWithFallback } from 'vue';
+
+export function render(_ctx) {
+  const _component_Foo = _resolveComponent("Foo")
+  const n0 = _createComponentWithFallback(_component_Foo, { onKeyup: () => _withKeys(_ctx.bar, ["enter"]) }, null, true)
+  return n0
+}"
+`;
+
+exports[`compiler: element transform > component event with multiple modifiers and event options 1`] = `
+"import { resolveComponent as _resolveComponent, withModifiers as _withModifiers, withKeys as _withKeys, createComponentWithFallback as _createComponentWithFallback } from 'vue';
+
+export function render(_ctx) {
+  const _component_Foo = _resolveComponent("Foo")
+  const n0 = _createComponentWithFallback(_component_Foo, { onFooCaptureOnce: () => _withKeys(_withModifiers(_ctx.bar, ["stop","prevent"]), ["enter"]) }, null, true)
+  return n0
+}"
+`;
+
+exports[`compiler: element transform > component event with nonKeys modifier 1`] = `
+"import { resolveComponent as _resolveComponent, withModifiers as _withModifiers, createComponentWithFallback as _createComponentWithFallback } from 'vue';
+
+export function render(_ctx) {
+  const _component_Foo = _resolveComponent("Foo")
+  const n0 = _createComponentWithFallback(_component_Foo, { onFoo: () => _withModifiers(_ctx.bar, ["stop","prevent"]) }, null, true)
+  return n0
+}"
+`;
+
 exports[`compiler: element transform > component event with once modifier 1`] = `
 "import { resolveComponent as _resolveComponent, createComponentWithFallback as _createComponentWithFallback } from 'vue';
 

packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts

@@ -878,6 +878,78 @@ describe('compiler: element transform', () => {
     })
   })
 
+  test('component event with keys modifier', () => {
+    const { code, ir } = compileWithElementTransform(
+      `<Foo @keyup.enter="bar" />`,
+    )
+    expect(code).toMatchSnapshot()
+    expect(ir.block.dynamic.children[0].operation).toMatchObject({
+      type: IRNodeTypes.CREATE_COMPONENT_NODE,
+      tag: 'Foo',
+      props: [
+        [
+          {
+            key: { content: 'keyup' },
+            handler: true,
+            handlerModifiers: {
+              keys: ['enter'],
+              nonKeys: [],
+              options: [],
+            },
+          },
+        ],
+      ],
+    })
+  })
+
+  test('component event with nonKeys modifier', () => {
+    const { code, ir } = compileWithElementTransform(
+      `<Foo @foo.stop.prevent="bar" />`,
+    )
+    expect(code).toMatchSnapshot()
+    expect(ir.block.dynamic.children[0].operation).toMatchObject({
+      type: IRNodeTypes.CREATE_COMPONENT_NODE,
+      tag: 'Foo',
+      props: [
+        [
+          {
+            key: { content: 'foo' },
+            handler: true,
+            handlerModifiers: {
+              keys: [],
+              nonKeys: ['stop', 'prevent'],
+              options: [],
+            },
+          },
+        ],
+      ],
+    })
+  })
+
+  test('component event with multiple modifiers and event options', () => {
+    const { code, ir } = compileWithElementTransform(
+      `<Foo @foo.enter.stop.prevent.capture.once="bar" />`,
+    )
+    expect(code).toMatchSnapshot()
+    expect(ir.block.dynamic.children[0].operation).toMatchObject({
+      type: IRNodeTypes.CREATE_COMPONENT_NODE,
+      tag: 'Foo',
+      props: [
+        [
+          {
+            key: { content: 'foo' },
+            handler: true,
+            handlerModifiers: {
+              keys: ['enter'],
+              nonKeys: ['stop', 'prevent'],
+              options: ['capture', 'once'],
+            },
+          },
+        ],
+      ],
+    })
+  })
+
   test('component with dynamic event arguments', () => {
     const { code, ir } = compileWithElementTransform(
       `<Foo @[foo-bar]="bar" @[baz]="qux" />`,

packages/compiler-vapor/src/generators/component.ts

@@ -211,7 +211,7 @@ function genProp(prop: IRProp, context: CodegenContext, isStatic?: boolean) {
       ? genEventHandler(
           context,
           prop.values[0],
-          undefined,
+          prop.handlerModifiers,
           true /* wrap handlers passed to components */,
         )
       : isStatic

packages/compiler-vapor/src/generators/prop.ts

@@ -114,9 +114,10 @@ export function genPropKey(
 ): CodeFragment[] {
   const { helper } = context
 
-  const handlerModifierPostfix = handlerModifiers
-    ? handlerModifiers.map(capitalize).join('')
-    : ''
+  const handlerModifierPostfix =
+    handlerModifiers && handlerModifiers.options
+      ? handlerModifiers.options.map(capitalize).join('')
+      : ''
   // static arg was transformed by v-bind transformer
   if (node.isStatic) {
     // only quote keys if necessary

packages/compiler-vapor/src/transform.ts

@@ -23,6 +23,7 @@ import {
   type IRSlots,
   type OperationNode,
   type RootIRNode,
+  type SetEventIRNode,
   type VaporDirectiveNode,
 } from './ir'
 import { isConstantExpression, isStaticExpression } from './utils'
@@ -45,7 +46,7 @@ export interface DirectiveTransformResult {
   modifier?: '.' | '^'
   runtimeCamelize?: boolean
   handler?: boolean
-  handlerModifiers?: string[]
+  handlerModifiers?: SetEventIRNode['modifiers']
   model?: boolean
   modelModifiers?: string[]
 }

packages/compiler-vapor/src/transforms/vOn.ts

@@ -65,7 +65,11 @@ export const transformVOn: DirectiveTransform = (dir, node, context) => {
       key: arg,
       value: handler,
       handler: true,
-      handlerModifiers: eventOptionModifiers,
+      handlerModifiers: {
+        keys: keyModifiers,
+        nonKeys: nonKeyModifiers,
+        options: eventOptionModifiers,
+      },
     }
   }